18887792

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15331}}^1$

素因数の和:15357

約数の個数: 40

約数和(自身を含む): 45628032

約数和(自身を除く): 26740240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 15331, 30662, 61324, 107317, 122648, 168641, 214634, 245296, 337282, 429268, 674564, 858536, 1180487, 1349128, 1717072, 2360974, 2698256, 4721948, 9443896, 18887792]

約数ペア:

[(1, 18887792), (2, 9443896), (4, 4721948), (7, 2698256), (8, 2360974), (11, 1717072), (14, 1349128), (16, 1180487), (22, 858536), (28, 674564), (44, 429268), (56, 337282), (77, 245296), (88, 214634), (112, 168641), (154, 122648), (176, 107317), (308, 61324), (616, 30662), (1232, 15331)]